// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_BROWSER_PLUGIN_BROWSER_PLUGIN_MESSAGE_FILTER_H_
#define CONTENT_BROWSER_BROWSER_PLUGIN_BROWSER_PLUGIN_MESSAGE_FILTER_H_

#include "base/macros.h"
#include "content/public/browser/browser_message_filter.h"

namespace content {

// This class filters out incoming IPC messages for the guest renderer process
// on the IPC thread before other message filters handle them.
class BrowserPluginMessageFilter : public BrowserMessageFilter {
public:
    explicit BrowserPluginMessageFilter(int render_process_id);

    // BrowserMessageFilter implementation.
    void OverrideThreadForMessage(const IPC::Message& message,
        BrowserThread::ID* thread) override;
    bool OnMessageReceived(const IPC::Message& message) override;
    void OnDestruct() const override;

private:
    friend class BrowserThread;
    friend class base::DeleteHelper<BrowserPluginMessageFilter>;

    ~BrowserPluginMessageFilter() override;

    void ForwardMessageToGuest(const IPC::Message& message);

    const int render_process_id_;

    DISALLOW_COPY_AND_ASSIGN(BrowserPluginMessageFilter);
};

} // namespace content

#endif // CONTENT_BROWSER_BROWSER_PLUGIN_BROWSER_PLUGIN_MESSAGE_FILTER_H_
